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In The Swim Calcium Hardness Increaser for Swimming Pools - 25 Pounds
✅ In stock
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Grade
Analysis Confidence
35%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 28, 2026 1:54 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
In The Swim Pool Supplies
🚚 Shipping
Free Shipping
Product Details
✓Boost Water Quality: Prevent cloudy, dull water by restoring the right calcium levels in your pool
✓Protect Your Pool: Helps stop costly damage like corrosion and pitting on pool surfaces and equipment
✓Easy-to-Use Granules: Fast-dissolving formula works quickly—just measure, pour, and circulate
✓Dial in the Perfect Balance: Raise hardness 50 ppm per 6 lbs per 10,000 gallons—easy, accurate, and powerful
✓Multi-Use Chemical: Highly effective for swimming pools—and also serves as an industrial-grade ice and snow melt
⚙️ Specifications
Brand
In The Swim
Item Weight
27.6 pounds
Item Form
Granular
Product Benefits
Prevents Corrosion
UPC
803354120833
Brand Name
In The Swim
Package Size Name
25 Pound
Number of Items
1
Unit Count
400 Ounce
Manufacturer
In The Swim
Model Number
Y7210
